Prospective and Retrospective Time Estimation: Investigating the Effects of Task Duration and Cognitive Load
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This experiment investigated participants' ability to keep track of time during a visual and memory search task where task difficulty and duration were manipulated. Two hundred and ninety-two participants performed the task for eight or 58 minutes. Participants in the prospective time judgment condition were forewarned of an impending time estimate whereas those in the retrospective condition were not. Cognitive load was manipulated and assessed by assigning participants to either a consistent or a varied mapping condition. The results revealed overestimation and higher variability of estimates in the prospective condition compared to the retrospective one in the eight-minute task only. Moreover, participants significantly overestimated the duration of the eight-minute task and underestimated the 58-minute task. Finally, cognitive load had no effect on participants' time estimates. Thus, the well-known cross-over interaction between cognitive load and estimation paradigm (Block et al., 2010) does not seem to extend to longer durations.
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Copyright © 2019 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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